Your Authority form- from the USA embassy web site, giving the name and address of the designated doctors- where you found us, or alternatively, the confirmation of identity from passport form.

Official records of any vaccinations that you have had.

Have fluids before so as to be able to pass a urine sample ( Do not have your own doctor to do any tests for syphilis, or gonorrhea or chest xrays beforehand, as they will only have to be repeated with USA State department security protocols in place. You may present test results demonstrating immunity for measles, mumps, rubella and varicella from your usual doctor if on the standard medical forms.)